[ale] unzipping an encrypted zip file

Greg Freemyer greg.freemyer at gmail.com
Thu Aug 6 15:36:19 EDT 2009


All,

I need to unzip an encrypted zip file.  What tool should I use.  (And
yes windows is available, but I hate to give in and ask a co-worker to
do it for me.)

First attempt:
$ unzip fileserver_sec_log.zip
Archive:  fileserver_sec_log.zip
  End-of-central-directory signature not found.  Either this file is not
  a zipfile, or it constitutes one disk of a multi-part archive.  In the
  latter case the central directory and zipfile comment will be found on
  the last disk(s) of this archive.
unzip:  cannot find zipfile directory in one of fileserver_sec_log.zip or
        fileserver_sec_log.zip.zip, and cannot find
fileserver_sec_log.zip.ZIP, period.

Greg
-- 
Greg Freemyer
Head of EDD Tape Extraction and Processing team
Litigation Triage Solutions Specialist
http://www.linkedin.com/in/gregfreemyer
Preservation and Forensic processing of Exchange Repositories White Paper -
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The Norcross Group
The Intersection of Evidence & Technology
http://www.norcrossgroup.com


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